Even the little-understood Oort Cloud, at the outer edges of our solar system beyond view, has a partly spiral structure.

Early in our Solar System’s history, bits of icy debris were scattered and then gradually coaxed into a spiral alignment in ...

The SPHEREx telescope will create the most colorful map of the cosmos, while the four satellites of the PUNCH mission track ...

Interstellar material has been discovered in our solar system, but researchers continue to hunt for where it came from and ...

then as many as one million space rocks larger than 328 feet (100 meters) wide could be lurking in the Oort Cloud, a band of icy material at the edge of our solar system. Some of these alien ...

The entire solar system, ours at least, sits inside a pocket of low density called the Local Hot Bubble (LHB). This cavity in space is 1,000 light-years across, at least, and tips the thermometer at ...

The solar array isn’t the only plan China has for space research—it also plans to reach the Moon and build an International ...

NASA has launched the SPHEREx telescope to uncover the ingredients for life in our galaxy, as well as the PUNCH mission to study the sun’s mysteries.

Astronomers have identified a quartet of small rocky planets orbiting Barnard's star - one of our closest stellar neighbors - ...

The stars as seen from Earth would have looked dimmer 14 million years ago, as the solar system was in the middle of passing ...

The solar system moved through a star-forming area near Orion. This event might have increased interstellar dust around Earth ...